The group hurried after Fu'en and his comrades along the open plain road. Being on the plain allowed the horse carriage to utilize its speed advantage.
The primary mode of transportation in Otherworld was animal-drawn carriages, primarily horse carriages. Before developing an engine suitable for the Otherworld, they still couldn't get rid of the need for draft animals. However, even if the power problem couldn't be solved, ancillary facilities could learn from Earth's experience.
For instance, the carriage that Luo'er and the others were riding was equipped with a shock absorption system and used rubber tires to alleviate the bumpiness from uneven ground, greatly enhancing the comfort of the ride.